Crossword puzzle clue "one whose first product is a must"

One whose first product is a must

"He must have a long spoon that must ___ the devil"

"For men must ___ women must weep": Kingsley

Company whose first product was cheese

Clothing company whose first product was a waterproof boot

Product in whose ads James Dean made his first filmed appearance

1976 #1 hit whose title follows the words "There must be ..."

2016 fad whose characters must be discovered in the game, just as you can do in this puzzle